Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "r1"   was replaced by   "r^1". 

Step  1  :

            47
 Simplify   ——
            9 

Equation at the end of step  1  :

   47
  (—— • r1894) • w
   9 

Step  2  :

Equation at the end of step  2  :

  47r1894 
  ——————— • w
     9   

Step  3  :

Final result :

  47r1894w 
  ————————
     9